Messages in this thread Patch in this message | | | Date | Tue, 17 Apr 2012 21:05:06 -0400 | From | Steven Rostedt <> | Subject | [PATCH 1/2] tracing: Fix build breakage without CONFIG_PERF_EVENTS (again) |
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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Today's -next fails to link for me:
kernel/built-in.o:(.data+0x178e50): undefined reference to `perf_ftrace_event_register'
It looks like multiple fixes have been merged for the issue fixed by commit fa73dc9 (tracing: Fix build breakage without CONFIG_PERF_EVENTS) though I can't identify the other changes that have gone in at the minute, it's possible that the changes which caused the breakage fixed by the previous commit got dropped but the fix made it in.
Link: http://lkml.kernel.org/r/1334307179-21255-1-git-send-email-broonie@opensource.wolfsonmicro.com
Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/trace.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 95059f0..f95d65d 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -836,11 +836,11 @@ extern const char *__stop___trace_bprintk_fmt[]; filter) #include "trace_entries.h" -#ifdef CONFIG_FUNCTION_TRACER +#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_FUNCTION_TRACER) int perf_ftrace_event_register(struct ftrace_event_call *call, enum trace_reg type, void *data); #else #define perf_ftrace_event_register NULL -#endif /* CONFIG_FUNCTION_TRACER */ +#endif #endif /* _LINUX_KERNEL_TRACE_H */ -- 1.7.9.5
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